OpenSource Connections has extensive experience and industry expertise in consulting for, deployment of, and development in the Solr search engine.
We have been involved in Solr since 2007, and OSC principal Eric Pugh is co-author of the only published book on Solr, Solr 1.4 Enterprise Search Server (ISBN 978-1-847195-88-3, Publisher: Packt Publishing, Publication Date: August, 2009, http://www.packtpub.com/solr-1-4-enterprise-search-server/book), which explicitly covers Solr development and deployment.
Eric is also due to publish a follow up book, Solr Recipes, in the fall of 2010. OSC experts have presented at Uberconf, BeTech, the Software Test and Performance Conference, and Agile2010. We have worked on Solr projects for clients including SAIC, the U.S. Department of State, Sears, as well as smaller commercial clients – we are familiar with Solr implementations of all sizes and in a variety of deployment environments.